搜题
用户您好, 请在下方输入框内搜索其它题目:
搜题
题目内容 (请给出正确答案)
提问人:网友 发布时间:
【单项选择题】

Constant cooling the various components of diesel engine has a number of functions except for ().

A、A.good lubrication

B、B.low thermal stress

C、C.good mechanical properties

D、D.acid corrosion

更多“Constant cooling the various components of diesel engine has a number of functions except for ().”相关的问题
第1题

A、effective cylinder scavenging and cooling  B、constant pressure from the turbochargers  C、cooler operation of the exhaust system  D、effective constant pressure for turbocharger operation  

点击查看答案
第2题

A、Maintains a constant head on the system  B、Reduces the likelihood of air or steam pockets formation  C、Provides a low pressure point for the addition of makeup cooling water  D、All of the above  

点击查看答案
第3题

A、regulate the fuel supply  B、maintain a constant fuel viscosity at the fuel valves  C、maintain efficient cooling  D、alter the fuel density  

点击查看答案
第4题

A、reduce water temperature  B、reduce water turbulence  C、provide an air cushion  D、allow for an increase in water volume as the engine warms up  

点击查看答案
第6题

A、Cooling water is alkalescence  B、cooling water is acidity  C、cooling water has salinity  D、cooling water has impurity  

点击查看答案
第7题

A、A.the central cooling system, different  B、B.the central cooling system, the same  C、C.the open cooling system, different  D、D.the open cooling system, the same  

点击查看答案
第8题

A、Because the piston is exposed to very high temperature, it must be cooled  B、The lower the piston cooling temperature is, the better it is  C、Both water and lube oil can be used as coolant  D、One of the piston cooling methods is vibration cooling, with better effect  

点击查看答案
第9题

A、entirely constant pressure  B、entirely constant temperature  C、a combination of constant volume and constant pressure  D、a combination of constant temperature and constant pressure  

点击查看答案
客服
TOP

请使用微信扫码支付

订单号:
遇到问题请联系在线客服